The saf-t-coil, an IUD.
D000293:Adolescent; D000328:Adult; D004412:Dysmenorrhea / Q000209:etiology; D004716:Endometritis / Q000209:etiology; D005193:Family Planning Services; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects / Q000592:standards